The control scheme and operating principle of a double closed-loop AC/DC power converter system are discussed by using physics.

从物理角度讨论了双闭环交/直流功率变换器系统的控制方案和工作原理。

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Each hardware part exposes its own set of commands that enables the Operating System to control and communicate with it.

每个硬件部分都有自己的命令集，操作系统通过这些命令集控制硬件并与硬件通信。

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The user is still not allowed to control the operating system, hardware, or network infrastructure.

这个用户仍然不允许控制操作系统、硬件或网络基础架构。

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By giving operating system control to Microsoft, Nokia stands to lose the opportunity to differentiate its smartphones from the competition, and risks making its smartphones a commodity.

FORBES: Nokia's Pact with Microsoft Makes It Look Like A $12 Stock

This move to exploit social network sites would also fuel a move away from attacks that exploit vulnerabilities in the Windows operating system to gain control of a PC or steal data.

BBC: RELATED BBC SITES

The introduction of Windows smartphones has been the big change under chief executive Stephen Elop, who phased out the Symbian operating system shortly after he took control of the company in 2010.

BBC: Nokia shares rise despite losses